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[ubsan_minimal] Add address argument to Android's abort message function #152419

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Aug 7, 2025
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14 changes: 9 additions & 5 deletions compiler-rt/lib/ubsan_minimal/ubsan_minimal_handlers.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -97,15 +97,19 @@ SANITIZER_INTERFACE_WEAK_DEF(void, __ubsan_report_error_fatal, const char *kind,

#if defined(__ANDROID__)
extern "C" __attribute__((weak)) void android_set_abort_message(const char *);
static void abort_with_message(const char *kind, uintptr_t caller) {
static void abort_with_message(const char *kind, uintptr_t caller,
const uintptr_t *address) {
char msg_buf[128];
format_msg(kind, caller, msg_buf, msg_buf + sizeof(msg_buf));
format_msg(kind, caller, address, msg_buf, msg_buf + sizeof(msg_buf));
if (&android_set_abort_message)
android_set_abort_message(msg_buf);
abort();
}
#else
static void abort_with_message(const char *kind, uintptr_t caller) { abort(); }
static void abort_with_message(const char *kind, uintptr_t caller,
const uintptr_t *address) {
abort();
}
#endif

#if SANITIZER_DEBUG
Expand All @@ -132,7 +136,7 @@ void NORETURN CheckFailed(const char *file, int, const char *cond, u64, u64) {
INTERFACE void __ubsan_handle_##name##_minimal_abort() { \
uintptr_t caller = GET_CALLER_PC(); \
__ubsan_report_error_fatal(kind, caller, nullptr); \
abort_with_message(kind, caller); \
abort_with_message(kind, caller, nullptr); \
}

#define HANDLER(name, kind) \
Expand All @@ -149,7 +153,7 @@ void NORETURN CheckFailed(const char *file, int, const char *cond, u64, u64) {
const uintptr_t address) { \
uintptr_t caller = GET_CALLER_PC(); \
__ubsan_report_error_fatal(kind, caller, &address); \
abort_with_message(kind, caller); \
abort_with_message(kind, caller, &address); \
}

// A version of a handler that takes a pointer to a value.
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